Definition of "Luan"

Luan Cheng (欒丞), an officer from the Jhonghe Second Police Precinct, on Tuesday approached 19-year-old Yen Ju-yi (顏如憶) who was selling betel nuts at a small shop in Jhonghe City (中和), Taipei County, and told her she was showing too much skin and may have violated the law. […] While Yen has accused Luan of causing bodily harm, Luan said that Yen prevented an officer of the law from exercising his duties and slandered him.

2010 April 9, Loa Iok-sin, “Jiang backs betel ‘justice’”, in Taipei Times‎, archived from the original on 16 April 2010, Taiwan News, page 2‎

A man has been arrested in Huoshan county near Luan for drink-driving after he rang up the police by mistake and then challenged an officer to a fight, […]

2014 October 9, Wu Nan, “Drink-driving bungle; Fake goods up in flames; Ex-official denies gambling”, in South China Morning Post‎, archived from the original on 12 October 2014, China Insider‎

The other case, surnamed Zhang, was in close contact with Li during a training class Li led in the city of Luan, near Anhui's provincial capital Hefei, Xinhua reported. […] Two areas in Luan city and one part of Feixi county were declared "medium-risk" regions by local authorities in response to the cases. State media reported mass testing being carried out in main urban area in Luan and some areas in Hefei.

2021 May 13, “Mainland China reports first local COVID-19 cases in more than 3 weeks”, in Reuters‎, archived from the original on 14 May 2021, Asia Pacific‎